.header{
    width: 100%;
    height: 60px;
    line-height: 60px;
    box-sizing: border-box;
}

.title{
    float: left;
    font-size: 1.5em;
    color: #fff;
    font-weight: 600;
}

.operation{
    float: right;
    color: #fff;
}

.button{
    padding-left: 7px;
}


.operation span{
    margin-right: 15px;
}